Spherical Lenses

product summary

Cimcoop has extensive experience in the production of spherical optics in the visible waveband. During our production we are using advanced CNC production technology coupled with the most reliable and widely recognized measurement systems on the market.

Various custom configurations are possible including cementing of doublets and triplets, steps, truncations of single lenses and achromats and black varnishing.

Our lenses find applications in high-end equipment for various industries such as cinema, machine vision applications, aerospace, laser systems, medical devices and more.

highlights

  • All types of optical glass and fused silica

  • Several CNC production cells

  • Experience with challenging materials (soft and chemically unstable glasses)

  • Steps and truncations on single lenses and achromats

  • Final and in-process control using Zygo interferometers

  • Advanced edge varnishing technology

  • Variety of single and multi-layer AR coatings

manfacturing limits

Parameters Ranges & tolerances
Diameter range 10 to 130 mm
Diameter tolerance ± 0.02 mm
Center thickness (CT) 0.5 to 50 mm
CT tolerance ± 0.01 mm
Clear aperture 95 % of OD
Tolerance of radius of curvature ± 0.1%
Sagita deviation (Power) ≤ 1 fringe / 0.25 μm
Irregularity (PV) ≤ 0.2 fringes / 0.05 μm
RMS irregularity (RMSi) ≤ 1 fringe / 0.25 μm
Slope tolerance ≤ 1 arc sec / 0.005 mrad
Edge thickness variation 25 μm
Digs 2 x 0.016
Scratches L2 x 0.008
MIL - Scratch / Dig 10 - 5
Surface roughness (Rq) ≥ 3 nm